I found this vendor:
Rather than explain all the options and prices, just go look there. They give prices, which can calibrate our expectations.
There is a local vendor, but they do not give specs and prices. I have submitted an inquiry.
This came up as a local vendor, but no local address was given:
I have sent them an inquiry. The refreshing thing about the first vendor is that they give prices.
I’m just tossing the idea out for comment—it may be completely infeasible, and 1 sign = 1 or 2 PrintrBots, so it might not make sense at this point.